package com.our.sys.project1.service;

import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springside.modules.orm.Page;
import org.springside.modules.orm.PropertyFilter;

import com.our.set.service.HzService;
import com.our.sys.project1.dao.ProductTypeDao;
import com.our.sys.project1.entity.ProductType;

@Service
@Transactional
public class ProductTypeService {

    @Autowired
    private ProductTypeDao productTypeDao;

    @Autowired
    private HzService hzService;

    private static Logger logger = LoggerFactory.getLogger(ProductTypeService.class);

    @Transactional(readOnly = true)
    public Page<ProductType> query(Page<ProductType> page, List<PropertyFilter> filters) {
        Page<ProductType> curPage = productTypeDao.findPage(page, filters);
        return curPage;
    }

    @Transactional(readOnly = true)
    public ProductType queryById(Long id) {
        return productTypeDao.findOneBy("id", id);
    }

    @Transactional(readOnly = true)
    private Long queryCountByName(String name) {
        Long result = productTypeDao.findUnique("select count(a) from ProductType a where a.name = ?", name);
        if (null == result) {
            return 0L;
        } else {
            return result;
        }
    }
    
    @Transactional(readOnly = true)
    private Long queryCountByCode(String code) {
        Long result = productTypeDao.findUnique("select count(a) from ProductType a where a.code = ?", code);
        if (null == result) {
            return 0L;
        } else {
            return result;
        }
    }

    public void save(ProductType productType) throws Exception {
        try {
            Map<String, String> map = hzService.getMemo(productType.getName());
            productType.setPy(map.get("py"));
            productType.setWb(map.get("wb"));
            if (null != productType.getId()) {
                ProductType getProductType = this.queryById(productType.getId());

                if (queryCountByName(getProductType.getName()).compareTo(1L) > 0) {
                    throw new Exception("已经存在这个产品属性名称！");
                }

                if (queryCountByCode(getProductType.getCode()).compareTo(1L) > 0) {
                    throw new Exception("已经存在这个产品属性代码！");
                }
                getProductType.setCode(productType.getCode());
                getProductType.setName(productType.getName());
                getProductType.setPy(productType.getPy());
                getProductType.setWb(productType.getWb());
                getProductType.setState(productType.getState());
                productTypeDao.save(getProductType);
            } else {

                if (queryCountByName(productType.getName()).compareTo(0L) > 0) {
                    throw new Exception("已经存在这个产品属性名称！");
                }
                
                if (queryCountByCode(productType.getCode()).compareTo(0L) > 0) {
                    throw new Exception("已经存在这个产品属性代码！");
                }
                productTypeDao.save(productType);
            }

        } catch (Exception e) {
            logger.error(e.getMessage(), e);
            throw new Exception(e.getMessage());
        }
    }

    public void delete(Long id) throws Exception {
        try {
            productTypeDao.delete(id);
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
            throw new Exception(e.getMessage());
        }
    }
}
